Inventor
Hideki Hayasaka
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes23%
C07CAcyclic or carbocyclic compounds18%
G03GElectrography14%
C07DHeterocyclic compounds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
D21HPulp compositions5%
H01LSemiconductor devices5%
H05BElectric heating5%
PatentTitleYear
10,964,902Film production method20215,972,167'Transfer roll coating color and a coated paper'19995,723,075'Dimerized thiourea derivatives near-infared absorbents comprising the same, and heat wave shielding materials comprising the same'19985,707,778'Optical recording medium'19985,656,569'Thermal recording material'19975,612,279'Optical recording sheet'19975,494,882'Thermal recording material'19965,470,816'Thermal recording sheet'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to JUJO PAPER CO LTD (6)· patent assignee history
1995–1999Based in Tokyo, JP· patent location history
1997Patents assigned to NIPPON PAPER IND LTD (1)· patent assignee history
2021Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JUJO PAPER CO LTD | 6 | 1995–1999 |
| NIPPON PAPER IND LTD | 1 | 1997 |
| SUMITOMO CHEMICAL CO | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1995–1999 |
| Osaka, JP | 1 | 2021 |